US 4,765,431 B2

GPTKB entity

Statements (46)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber 07/058,123
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:citedBy gptkb:US_5,123,456_B2
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:description This patent describes a novel device.
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2008-08-23
gptkbp:fieldOfInvention mechanical engineering
gptkbp:figure Figure 1 shows the device.
Figure 4 shows the components.
Figure 3 shows the assembly.
Figure 5 shows the application.
Figure 6 shows the results.
Figure 10 shows the testing.
Figure 11 shows the results.
Figure 12 shows the conclusion.
Figure 13 shows the future work.
Figure 14 shows the summary.
Figure 15 shows the references.
Figure 16 shows the acknowledgments.
Figure 17 shows the appendix.
Figure 18 shows the glossary.
Figure 19 shows the index.
Figure 2 shows the operation.
Figure 20 shows the future directions.
Figure 7 shows the advantages.
Figure 8 shows the comparison.
Figure 9 shows the prototype.
gptkbp:filingDate 1987-05-01
https://www.w3.org/2000/01/rdf-schema#label US 4,765,431 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1988-08-23
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:location gptkb:USA
gptkbp:maintenanceFee paid
gptkbp:patentFamily US 4,765,431 B2, US 4,765,430 B2
gptkbp:patentType utility
gptkbp:priorityDate 1986-05-01
gptkbp:relatedTo gptkb:US_4,765,430_B2
gptkbp:status active
gptkbp:subclass energy efficiency